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Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2020:2429-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2429
Issue date:        2020-06-09
CVE Names:         CVE-2019-18660 CVE-2020-10711 CVE-2020-11884 
                   CVE-2020-12657 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.0
Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS E4S (v. 8.0) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet
with null category may cause kernel panic (CVE-2020-10711)

* Kernel: s390: page table upgrade in secondary address mode may lead to
privilege escalation (CVE-2020-11884)

* kernel: use-after-free in block/bfq-iosched.c related to
bfq_idle_slice_timer_body (CVE-2020-12657)

* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information
exposure (CVE-2019-18660)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

* kernel: hw: provide reporting and microcode mitigation toggle for
CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840684)

* missing version.h dependency for modpost may cause build to fail
(BZ#1828227)

* efi: kernel panic during ltp fs test - read_all -d /sys -q -r 10
(BZ#1829525)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1777825 - CVE-2019-18660 kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure
1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic
1828149 - CVE-2020-11884 Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation
1832866 - CVE-2020-12657 kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body

6. Package List:

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):

Source:
kernel-4.18.0-80.23.2.el8_0.src.rpm

aarch64:
bpftool-4.18.0-80.23.2.el8_0.aarch64.rpm
bpftool-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-core-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-cross-headers-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-core-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-devel-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-modules-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-devel-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-headers-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-modules-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-tools-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
kernel-tools-libs-4.18.0-80.23.2.el8_0.aarch64.rpm
perf-4.18.0-80.23.2.el8_0.aarch64.rpm
perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
python3-perf-4.18.0-80.23.2.el8_0.aarch64.rpm
python3-perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-80.23.2.el8_0.noarch.rpm
kernel-doc-4.18.0-80.23.2.el8_0.noarch.rpm

ppc64le:
bpftool-4.18.0-80.23.2.el8_0.ppc64le.rpm
bpftool-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-core-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-cross-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-core-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-tools-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
kernel-tools-libs-4.18.0-80.23.2.el8_0.ppc64le.rpm
perf-4.18.0-80.23.2.el8_0.ppc64le.rpm
perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
python3-perf-4.18.0-80.23.2.el8_0.ppc64le.rpm
python3-perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm

s390x:
bpftool-4.18.0-80.23.2.el8_0.s390x.rpm
bpftool-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-core-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-cross-headers-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-core-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-devel-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-modules-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-devel-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-headers-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-modules-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-tools-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-core-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-devel-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-4.18.0-80.23.2.el8_0.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm
perf-4.18.0-80.23.2.el8_0.s390x.rpm
perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
python3-perf-4.18.0-80.23.2.el8_0.s390x.rpm
python3-perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm

x86_64:
bpftool-4.18.0-80.23.2.el8_0.x86_64.rpm
bpftool-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-core-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-cross-headers-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-core-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-devel-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-modules-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-devel-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-headers-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-modules-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-tools-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
kernel-tools-libs-4.18.0-80.23.2.el8_0.x86_64.rpm
perf-4.18.0-80.23.2.el8_0.x86_64.rpm
perf-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
python3-perf-4.18.0-80.23.2.el8_0.x86_64.rpm
python3-perf-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-18660
https://access.redhat.com/security/cve/CVE-2020-10711
https://access.redhat.com/security/cve/CVE-2020-11884
https://access.redhat.com/security/cve/CVE-2020-12657
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/5142691

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-2429:01 Important: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
* Kernel: s390: page table upgrade in secondary address mode may lead to privilege escalation (CVE-2020-11884)
* kernel: use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body (CVE-2020-12657)
* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840684)
* missing version.h dependency for modpost may cause build to fail (BZ#1828227)
* efi: kernel panic during ltp fs test - read_all -d /sys -q -r 10 (BZ#1829525)

Summary

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2019-18660 https://access.redhat.com/security/cve/CVE-2020-10711 https://access.redhat.com/security/cve/CVE-2020-11884 https://access.redhat.com/security/cve/CVE-2020-12657 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/5142691

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.0):
Source: kernel-4.18.0-80.23.2.el8_0.src.rpm
aarch64: bpftool-4.18.0-80.23.2.el8_0.aarch64.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-core-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-devel-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-headers-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-modules-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.aarch64.rpm perf-4.18.0-80.23.2.el8_0.aarch64.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm python3-perf-4.18.0-80.23.2.el8_0.aarch64.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.aarch64.rpm
noarch: kernel-abi-whitelists-4.18.0-80.23.2.el8_0.noarch.rpm kernel-doc-4.18.0-80.23.2.el8_0.noarch.rpm
ppc64le: bpftool-4.18.0-80.23.2.el8_0.ppc64le.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-core-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-devel-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-headers-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-modules-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.ppc64le.rpm perf-4.18.0-80.23.2.el8_0.ppc64le.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm python3-perf-4.18.0-80.23.2.el8_0.ppc64le.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.ppc64le.rpm
s390x: bpftool-4.18.0-80.23.2.el8_0.s390x.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-80.23.2.el8_0.s390x.rpm kernel-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-headers-4.18.0-80.23.2.el8_0.s390x.rpm kernel-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm kernel-tools-4.18.0-80.23.2.el8_0.s390x.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-core-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-devel-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-modules-4.18.0-80.23.2.el8_0.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-80.23.2.el8_0.s390x.rpm perf-4.18.0-80.23.2.el8_0.s390x.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm python3-perf-4.18.0-80.23.2.el8_0.s390x.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.s390x.rpm
x86_64: bpftool-4.18.0-80.23.2.el8_0.x86_64.rpm bpftool-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-core-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-cross-headers-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-core-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-devel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-modules-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debug-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-devel-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-headers-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-modules-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-modules-extra-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm kernel-tools-libs-4.18.0-80.23.2.el8_0.x86_64.rpm perf-4.18.0-80.23.2.el8_0.x86_64.rpm perf-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm python3-perf-4.18.0-80.23.2.el8_0.x86_64.rpm python3-perf-debuginfo-4.18.0-80.23.2.el8_0.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

Severity

Advisory ID: RHSA-2020:2429-01

Product: Red Hat Enterprise Linux

Advisory URL: https://access.redhat.com/errata/RHSA-2020:2429

Issued Date: : 2020-06-09

CVE Names: CVE-2019-18660 CVE-2020-10711 CVE-2020-11884 CVE-2020-12657

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.